Swivel chair



FIG. 1 is the principal view for swivel chair, showing my new design.

FIG. 2 is the rear view for swivel chair, showing my new design.

FIG. 3 is the left-side view for swivel chair, showing my new design.

FIG. 4 is the right-side view for swivel chair, showing my new design.

FIG. 5 is the top view for swivel chair, showing my new design.

FIG. 6 is the bottom view for swivel chair, showing my new design; and,

FIG. 7 is the stereoscopic view for swivel chair, showing my new design.

The broken lines shown are included for the purpose of illustrating unclaimed subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a swivel chair, as shown and described. 